313323709 has 4 divisors (see below), whose sum is σ = 314898400. Its totient is φ = 311749020.

The previous prime is 313323707. The next prime is 313323739. The reversal of 313323709 is 907323313.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 313323709 - 2¹ = 313323707 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313323701) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 787047 + ... + 787444.

It is an arithmetic number, because the mean of its divisors is an integer number (78724600).

Almost surely, 2^313323709 is an apocalyptic number.

It is an amenable number.

313323709 is a deficient number, since it is larger than the sum of its proper divisors (1574691).

313323709 is a wasteful number, since it uses less digits than its factorization.

313323709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1574690.

The product of its (nonzero) digits is 10206, while the sum is 31.

The square root of 313323709 is about 17700.9522060255. The cubic root of 313323709 is about 679.2001184388.

The spelling of 313323709 in words is "three hundred thirteen million, three hundred twenty-three thousand, seven hundred nine".